Home / 2,983.11-4,469.80-1,520.25

Finding the Fourth Proportional to 2,983.11, 4,469.80 and 1,520.25

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Solution

The fourth proportional to 2,983.11, 4,469.80 and 1,520.25 is: 2,277.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.11 : 4,469.80 = 1,520.25 : x
  2. Step 2: Convert to fraction form
    2,983.11/4,469.80 = 1,520.25/x
  3. Step 3: Cross multiply
    2,983.11x = 4,469.80 × 1,520.25
  4. Step 4: Simplify right side
    2,983.11x = 6,795,213.45
  5. Step 5: Solve for x
    x = 6,795,213.45/2,983.11
  6. Step 6: Final answer
    x = 2,277.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.